LG C1300 / G4015

does anybody else have this problem w/ c1300????

hey does anybody else exeperience this? the lg c1300...i have a FULL signal here at home but most of the time, NOT all the time when I'm talking to someone they cant hear me due to an overwhelming screaming sound......does this happen to anybody else? i dont think its where I live....even at cingular they saud my area has the best service available...hummmm is it the phone????